VS
Name
—
Ca₅Mg(B₄O₇)₆·30H₂O
Formula
—
Mineral Species
Entry type
—
Borates
Chemical class
—
—
Crystal system
—
2.5
Mohs hardness
—
1.85–1.88
Specific gravity
—
—
Streak
—
Vitreous
Luster
—
{001}, good
Cleavage
—
—
Space group
—
—
Structural group
—
Wsm · Approved
IMA
—
1967
Named in
—
White; colorless in transmitted light
Typical colors
—
Ca · Mg · B · O · H
Elements
—